Can an airplane stay up in the the air without moving forward just like helicopter ?

How the lift and weight cancel each other perfectly for a helicopter to stay it motionless? Because its propeller do generate huge amount of lift due to air pressure plus a blend of air stream...

09 February 2021 3,990 14 View

What is the formula used for the calculation of L10?

Is there any formula, which can be used for the calculation of L10 i.e, peak noise level? Please give your opinion?

14 January 2021 8,408 3 View

What is the relation between lattice parameters and particle size in manganites??

The change in particle size is resulting in change in unit cell lattice paramaters in manganites. Please explain it in terms of crystallography and why is it so.

28 February 2018 1,590 3 View

How can i dissolve Sodium Nitrate in organic solvents??

I am to make a solution of Sodium Nitrate and a polymer which is hydrophobic. I have been trying with ethanol, but in vain. Please suggest me a procedure to make a solution of sodium nitrate.

07 November 2017 4,018 5 View

PH of 0.01N HCl ? any reference for this.

It was required for buffer preparation.

27 June 2017 3,684 3 View

Which is the best solvent system for flavonoid isolation in TLC method ?

14 May 2017 3,450 4 View

1000g vcf file mapping against bed file?

Hi all, basically this is a bioinformatics query, I have a 1000genome phase3 vcf file and a clinical bed file, i need to map the bed file against my vcf file to find only CNVs, but not indels, for...

13 October 2016 7,924 2 View

How can I remove chlorophyll from ethyl acetate plant extract ?

13 September 2016 4,655 8 View

How to improve color and odor of polyethylene glycol adipate ?

During drying of polyethyle glycol adipate, odor goes to intense and color becomes dark. Any possible expalanation or solution to this problem.

14 March 2016 4,395 2 View

How can I prepare thermoplastic Polyurethane by melt process in lab?

How can I prepare thermoplastic Polyurethane by melt process in lab. Any guideline conditions.

17 February 2016 5,864 4 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Methodology for bird counts (census) in airport?

Hello. I am looking for a description of a methodology for bird counts (census), which is applicable to airport area and will allow me to collect the data about species diversity and abundance at...

11 January 2021 3,213 3 View

Determine the number of quails in a treatment/replication/pen?

How can we estimate the number of quail birds in a treatment and in a replication for 5 treatment and 4 replication for feed research? Is there any range limitation to keep the number of birds?

19 November 2020 2,856 3 View

If anyone can suggest or review manuscript having keywords Riparian zone, River, Species richness, Species evenness, Ornithofauna?

Greetings I am Sachin Kumar, pursuing my Ph.D. in Ornithology, from PAU, Ludhiana. I am working on avian diversity along the River Beas. I had submitted a manuscript to a journal having keywords...

10 November 2020 7,194 6 View

Do you have an endnote style for Marine Ornithology?

Any seabird folks out there have an endnote style file for Marine Ornithology? Nothing available online, trying to avoid creating one from scratch - thanks! Perhaps we can make the file publicly...

01 November 2020 9,642 7 View

Methods for bird trend analysis?

What would be the best method for analysing trends in species abundance in a single area in Latin America over a 15 year period? Could TRIM be used for this purpose? I don't have data about...

27 October 2020 7,532 5 View

Does anyone have experience with movement-based kernel density estimation (MKDE)?

Hello, I have mapped the locations of several individuals of a certain species of bird. I have the GPS coordinates, the date and the time data every half hour for several consecutive days and I am...

26 September 2020 3,712 2 View

Are half duplex or full duplex PIT tags the standard in ornithological studies using RFID technology to track avian movements?

I am looking for the correct selection of tags to use to monitor tree swallows moving in and out of nest boxes. My impression is that full duplex tags would be more appropriate but many studies...

26 May 2020 4,647 4 View

What are the statistical methodologies currently available for combining mist-net and audio-visual surveying methods for birds?

While there are a number of studies that employ both constant effort mist-netting and audio-visual survey methods, there are very few that combine the numbers from those surveys into a single...

10 May 2020 8,432 1 View

Monitoring breeder/floater ratio in bird populations in relation to nest-site availability?

Hi all, I was wondering if you know of any case in which breeder/floater ratio in birds is monitored over the years while observing changes in nest-site availability. Floaters in one of my focus...

29 March 2020 8,213 28 View